1. Njikwa Viscosity
Nnukwu ikehydroxypropyl methylcelluloseenweghị ike imepụta cellulose dị oke elu naanị site na iji ihe nhicha na nitrogen dochie ya. Agbanyeghị, ọ bụrụ na enwere ike itinye ngwaọrụ nha oxygen n'ime ketulu ahụ, enwere ike ijikwa mmepụta nke viscosity site na aka.
2. Ojiji nke ndị na-emekọ ihe ọnụ
Tinyere nke a, ịtụle ọsọ mgbanwe nke nitrogen, nakwa n'otu oge ahụ, ike ikuku nke sistemụ ahụ dị mma nke ukwuu, ọ dịkwa mfe imepụta ngwaahịa dị elu. N'ezie, oke polymerization nke owu a nụchara anụcha dịkwa oke mkpa. Ọ bụrụ na ọ ka na-arụ ọrụ, a na-eji usoro njikọ hydrophobic, ụdị ihe nnọchi anya a họọrọ nwere mmetụta dị ukwuu na arụmọrụ nke ngwaahịa ikpeazụ.
3. Ọdịnaya Hydroxypropyl
Oxygen fọdụrụ n'ime ketulu mmeghachi omume na-eme ka cellulose ahụ daa ma belata ibu molekul, mana oxygen fọdụrụ nwere oke. Ọ bụrụhaala na molekul ndị gbawara agbawa ejikọtaghachi, ọ naghị esiri ike ime ka viscosity dị elu. Agbanyeghị, ọnụego mmiri juputara na ọdịnaya hydroxypropyl nwekwara njikọ chiri anya. Ụfọdụ ụlọ ọrụ na-achọ naanị ibelata ọnụ ahịa na ọnụ ahịa, ha achọghịkwa ịbawanye ọdịnaya hydroxypropyl, yabụ àgwà ahụ enweghị ike iru ọkwa nke ngwaahịa ndị yiri ya.
4. Ihe ndị ọzọ
Ọnụọgụ mmiri nke ngwaahịa a nwere mmekọrịta dị mma na hydroxypropyl, mana maka usoro mmeghachi omume niile, ọ na-ekpebikwa ọnụego mmiri ya, mmetụta nke alkalization, oke nke methyl chloride na propylene oxide, mkpokọta alkali na mmiri. Oke ya na owu a nụchara anụcha na-ekpebi arụmọrụ nke ngwaahịa ahụ.
Oge ozi: Eprel-25-2024